Last change
on this file since 177 was
37,
checked in by (none), 15 years ago
|
Added original make3d
|
-
Property svn:executable set to
*
|
File size:
528 bytes
|
Line | |
---|
1 | function d = vgg_H_algebraic_distance(H,X1,X2)
|
---|
2 |
|
---|
3 | % d = vgg_H_algebraic_distance(H,X1,X2)
|
---|
4 | %
|
---|
5 | % For sets of homg points X1 and X2, returns the algebraic distances
|
---|
6 | % d = (p2'_x p2'_y) * p1_w - (p1_x p1_y) * p2'_w
|
---|
7 |
|
---|
8 | if (size(X1) ~= size(X2))
|
---|
9 | error('Point sets not same size!');
|
---|
10 | end
|
---|
11 |
|
---|
12 | N = size(X1,2);
|
---|
13 |
|
---|
14 | Dx = [ X1' .* repmat(X2(3,:)',1,3) , zeros(N,3) , -X1' .* repmat(X2(1,:)',1,3) ];
|
---|
15 |
|
---|
16 | Dy = [ zeros(N,3) , X1' .* repmat(X2(3,:)',1,3) , -X1' .* repmat(X2(2,:)',1,3) ];
|
---|
17 |
|
---|
18 | h = reshape(H',9,1);
|
---|
19 |
|
---|
20 | d = [Dx * h , Dy * h]'; |
---|
Note: See
TracBrowser
for help on using the repository browser.